Telephone base unit



FIG. 1 is a top perspective view of a telephone base unit of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top perspective view thereof shown in an environment of use; and,

FIG. 9 is a right side view thereof shown in a mounted position (the rear support is in a rotated state in the mounted position).

In the drawing, the broken lines depict unclaimed environment. The unshaded top portion of the telephone is not part of the claimed design. 

We claim the ornamental design for a telephone base unit, as shown and described. 